Do exhaust tips change sound?

Comparison video for anyone wondering if exhaust tips changed sound any. I was going to replace the tips anyway so I just unbolted them and ran no tips (straight 3" piping) filmed everything then got some 4" dual walled tips and then filmed everything again 1st: Cold start 2nd: Revs 3rd: Exterior WOT 4th: Interior WOT Test vehicle is a 2002 Pontiac Trans am LS1 automatic. SLP Flo Pack, Flowtech headers, TSP true dual exhaust, tune, 3600 stall, built 4L60E The exact tips I have are no longer sold anymore but these are very close https://amzn.to/41V5ySL